Finding the Fourth Proportional to 16,161,055.68, 22,302,730.06 and 8,819,361.88
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Solution
The fourth proportional to 16,161,055.68, 22,302,730.06 and 8,819,361.88 is: 12,170,977.64
Step by Step Solution
- Step 1: Write the proportion equation
16,161,055.68 : 22,302,730.06 = 8,819,361.88 : x - Step 2: Convert to fraction form
16,161,055.68/22,302,730.06 = 8,819,361.88/x - Step 3: Cross multiply
16,161,055.68x = 22,302,730.06 × 8,819,361.88 - Step 4: Simplify right side
16,161,055.68x = 196,695,847,266,997.31 - Step 5: Solve for x
x = 196,695,847,266,997.31/16,161,055.68 - Step 6: Final answer
x = 12,170,977.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.